Display box for a mirror



FIG. 1 is a front perspective view of a design box for a mirror embodying my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a side view thereof, the other side view being a mirror image thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is an exploded top perspective view of a display box for a mirror embodying my new design.

The broken line showing of a mirror in FIG. 7 is for illustrative purpose only and forms no part of the claimed design. 

The ornamental design for a display box for a mirror, as shown and described. 